/Engine/Plugins/Importers/USDImporter/Source/USDClasses/Public/USDAssetCache.h
Returns the hash used as a key for an asset, in case we own it. Returns the empty string otherwise.
[FString](API\Runtime\Core\Containers\FString) GetHashForAsset ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * Asset ) const